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All stats are calculated from official fight data. Style scores are Combatrics proprietary ratings updated after every event.

UFC 331: Van vs. Pantoja 2
Los Angeles, USA
19 Sept 2026
Featherweight
VS
47%
Jr.
53%
Yoo
Win Probability
Decision
Round 3 · 5:00
Michael
Michael Aswell Jr.
"The Texas Kid"
11 – 4
5'8"69" reachOrthodox26 yrsWell-Rounded
CFR 48
JooSang
JooSang Yoo
"Zombie Jr."
9 – 1
Knockout Artist2-fight slide32 yrsOrthodox71" reach5'7"
CFR 55
★ Official Result
Michael Aswell Jr.winsDecisionR3 · 5:00
def. JooSang Yoo · UFC 331: Van vs. Pantoja 2

Fight Report

Pre-fight analysis · prediction vs result

Prediction vs Result
We predicted
Yoo
Yoo by TKO in round one — the reach and the higher pressure rating find a fighte…
→
Actual result
Jr. wins
Decision · R3
Pre-fight analysis

Two fighters who have never won a decision between them, with a combined six recorded fights and three of them ending inside two rounds.

Neither of these fighters has enough of a record for the model to speak with authority, and the sensible starting point is to say what the file actually contains. JooSang Yoo has two recorded fights. Michael Aswell Jr. has four. Between them, that is six nights of evidence, and three of those six ended inside two rounds. Yoo's two are a study in symmetry. He knocked out Jeka Saragih in 28 seconds…

Jr. intel

Aswell (11-4) has lost three of his four recorded fights, all by decision — Gaston Bolanos in June 2026, Luke Riley in March 2026, Bolaji Oki in May 2025 — with a first-round knockout of Lucas Almeida the exception. At 25 he is the younger man by seven years, with a 94.0 chin rating and a 36.1 momentum score.

Yoo intel

Yoo (9-1) has two recorded fights: a 28-second knockout of Jeka Saragih in June 2025, then a knockout loss to Daniel Santos 21 seconds into the second round in October 2025. A 64.2 composite and 78.0 chin rating built on that pair — the model has almost nothing to work with.

Key angles

Yoo has two recorded fights, one of which ended 21 seconds into round two

Volume scores of 0.50 and 1.00 — neither man throws, so one exchange may decide it

Aswell's 94.0 chin rating against 78.0, and three decision losses that prove he lasts

Five centimetres of reach for Yoo despite being the shorter fighter

Identical 60.0 quality-of-victory scores — the joint-highest on the card, off two and four fights respectively

Risk flags

Yoo's ratings come from two fights and could be describing a fighter who does not exist

Aswell has never been finished at this level and has been to three decisions; a long fight favours him even though he has lost all three

This Fight — Statistics

Actual stats from this bout
Jr.Yoo
0
Sig. Strikes
0
0.0
Strikes / min (SLpM)
0.0
—
Strike Accuracy
—
Jr.
Yoo
Physical Matchup
Height · Reach · Age · Stance
5'8"+
Height
5'7"
69"
Reach
+71"
26+
Age
32
Orthodox
Stance
Orthodox
Jr.
Yoo
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
48.3
54.9
41.5
Performance Avg
49.3
43
Quality of Victory
60
51
Momentum Score
43
Jr.
Yoo
Striking
Career averages · see This Fight stats above
5.8
/ 10
10.0
/ 10
4.7
Style: Pressure
8.0
4.8
Style: Volume
0.7
1 KO wins
Finish Rate (strikes)
1 KO wins
Per-minute strike stats will populate after live card results are scraped
Strike targetStrike target
11
Head
7
1
Body
1
7
Leg
1
RangeRange
18Distance7
1Clinch2
0Ground0
Jr.
Yoo
Grappling
Career averages · see This Fight stats above
1.2
/ 10
0.0
/ 10
0.8
Wrestling Style (/10)
0.0
0.0
Submission Style (/10)
0.0
0
Submission wins
0
Per-fight takedown stats will populate after live card results are scraped
Jr.
Yoo
Durability / Chin
Resilience against knockouts and stoppages
94
76
Never stopped
Verdict
Moderate
0
KO/TKO Losses
1
0
Sub Losses
0
—
KO round context
Avg R2.0 stoppage
—
Last KO loss
1 fight ago
—
Strikes absorbed / min
—
5/15 fights
Chin rating based on
3/10 fights
Jr.
Yoo
Form & Momentum
Recent fight performance — most recent weighted 30%
51
43
Current form
2-fight 📉 slide
W · Dec · R3
L · Dec · R3
L · Dec · R3
W · KO · R1
L · Dec · R3
Last 5
L · Dec · R3
L · KO · R2
W · KO · R1
Jr.
Yoo
Finish Rate
Percentage of wins by KO/TKO or Submission
50%
100%
1
KO / TKO Wins
1
0
Submission Wins
0
1
Decision Wins
0

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

Jr.
Yoo
Striking5.8 / 10.0Volume4.8 / 0.7Grappling1.2 / 0.0Wrestling0.8 / 0.0Submission0.0 / 0.0Pressure4.7 / 8.0
Fighter 1
Fighter 2
5.8
Striking
KO power & stand-up volume
10.0
1.2
Grappling
Ground control & clinch
0.0
0.8
Wrestling
Takedown threat & defence
0.0
0.0
Submission
Submission attack frequency
0.0
4.7
Pressure
Clinch/ground work rate
8.0
4.8
Volume
Decision-pace fighting
0.7
Jr.
Strike Zones
Yoo
Jr.
Attacking
11HEAD1BODY7LEGS19 landed
Absorbing
7HEAD1BODY1LEGS9 absorbed
Yoo
Attacking
7HEAD1BODY1LEGS9 landed
Absorbing
11HEAD1BODY7LEGS19 absorbed
Targeting Overlap
🎯Jr. targets the head (58% of attacks) — Yoo absorbs 58% of strikes there
🎯Yoo targets the head (78% of attacks) — Jr. absorbs 78% of strikes there

Round by Round

This fight · per-round breakdown

Jr.
RND
Yoo
0/0R00/0

Jr. · Last 5

W · Dec · R3
JooSang Yoo
Decision
UFC 331: Van vs. Pantoja 2 · 2026-09
L · Dec · R3
Gaston Bolanos
Decision
UFC Fight Night: Kape vs. Horiguchi · 2026-06
L · Dec · R3
Luke Riley
Decision
UFC Fight Night: Evloev vs. Murphy · 2026-03
W · KO · R1
Lucas Almeida
KO/TKO
UFC Fight Night: Oliveira vs. Gamrot · 2025-10
L · Dec · R3
Bolaji Oki
Decision
UFC Fight Night: Blanchfield vs. Barber · 2025-05

Yoo · Last 3

L · Dec · R3
Michael Aswell Jr.
Decision
UFC 331: Van vs. Pantoja 2 · 2026-09
L · KO · R2
Daniel Santos
KO/TKO
UFC 320: Ankalaev vs. Pereira 2 · 2025-10
W · KO · R1
Jeka Saragih
KO/TKO
UFC 316: Dvalishvili vs. O'Malley 2 · 2025-06

News & Media

Michael Aswell Jr. · JooSang Yoo
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